This study examines the relationship between teaching experience, professional certification, and educators' effectiveness in contemporary educational settings. Through comprehensive literature analysis, this research explores how years of teaching experience and various certification programs contribute to professional development and student learning outcomes. The analysis reveals that while teaching experience provides practical knowledge and classroom management skills, formal certification programs offer structured professional development opportunities that enhance pedagogical competencies.

Ushbu maqolada o‘zbek tilshunosligidagi kelishiklar va tilshunos olimlarning bu boradagi gipotezalari va genezisi haqida bayon etilgan.

Personalized medicine is a field of healthcare that aims to develop diagnostic, treatment, and preventive strategies based on the genetic characteristics, physiological condition, and lifestyle of each individual. This article discusses the concept of personalized medicine, its main directions, advantages, and applications in practice. Areas such as pharmacogenetics, genetic screening, and targeted therapy in oncology are considered essential components of the personalized approach. Additionally, current challenges, ethical considerations, and future prospects of this field are analyzed. The article concludes with reflections on the potential for developing personalized medicine in Uzbekistan.

The article presents the content and essence of the concept of economic security, the theoretical part of the issues of ensuring economic security at enterprises, and a practical analysis of economic security at Tashkent Oil and Gas Combine JSC.

Зараутсой қоятош суратлари атрофидаги сойлардан янги тош расмлар топилди. Бу тош суратлар бронза ва темир даври билан характерланади. Бу эса Зараутсой қоятош суратларни қадимий эканлигидан далолат беради. Зараутсой қоятош суратлари Марказий Осиёнинг ибтидоий давр санъати тарихини ўрганишда муҳим манба бўлиб хизмат қилади.